Bach, Richard. <br/><br/>
Juan Salvador Gaviota./ 
Bach, Richard.; Carol y Frederick Howell. 
 - Argentina  Verlap  1990 
 - 127p.  10.5*17 cm 
<br/><br/><label>ISBN: </label>950-15-0579-0 
<br/><br/><label>Universal Decimal Class. No.: </label>82/89